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1、Period1Introduction&VocabularyandSpeakingTeachingaims:1.Tointroducesomegeneralscience.2.Tolearnsomewordsrelatedtothethemeofthismodule.3.Todevelopspeakingabilitybypracticingsayingthenumbers,especiallythefractions. Importantanddifficultpoints:1.Arousethestu
2、dents’interestsandloveinscience.2.Enablethestudentstounderstandsomeelementsaboutthechemistrylab.3.Makethestudentsknowhowtoreadthenumbers.Teachingprocedures:IntroductionActivity1Theaimoftheactivityistoaskthestudentstofinishthequizaboutgeneralsciencetoarous
3、etheirinterestinscience.Theactivitycanbedoneasfollows:Firstly,askthestudentstogothroughthefollowingthequizandmaketheirchoiceontheirown.Quiz:Howmuchdoyouknowaboutgeneralscience?1.Waterexists__________(a)asasolid,aliquidandagas(b)asasolidandaliquidonly2.Whe
4、nyouheatametal,itwill___________(a)expand(b)contract3.Steelismixtureof_____________.(a)ironandothersubstances.(b)ironandoxygen4._______________oftheearth’ssurfaceiswater.(a)Two-thirds(b)50%5.Thedistanceofthesunfromtheearthis______________kilometers.(a)25,
5、500(b)150,500,5006.Theearthis4.6______________yearsold.(a)million(b)billion7.Theearthis______________themoon(a)twiceaslargeas(b)forty-ninetimeslargerthanThenputthestudentsinpairstocomparetheiranswersandcallbacktheanswersfromtheclass.Finallyaskthemtolisten
6、tothetapeabouttheabovequizandchecktheiranswers.Answers:1.a;2.a;3.a4.a;5.b;6.b;7.b.Activities2&3Theteachercanpreparesomecardsaboutdifferentthingsfortheclassatfirst.Beforeshowingthestudentsthecards,theteachercansaytothewholeclass:Thingscanbedividedintothree
7、kinds,natural,man-made,andeithernaturalorman-made,nowI’llshowyousomecardsinmyhand,canyoutellmewhicharenatural,man-madeorboth?Afterthis,theteachercancontinuetosaytothewholetheclass:Canyougivesomeexamples?Thendividethewholeclassintotwobiggroupstocompete.The
8、teachercanasktheSstospeakoutasmanyexamplesaspossibleandwritedownthewordsinthetableontheblackboardasfollows:NaturalEg:wood,------Man-madeEg:glass,------Eithernaturalorman-madeEg:water,------Finally,asktheSstoopenthei
